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CERN Accelerating science

CERN Preprints

Πρόσφατες προσθήκες:
2021-05-07
08:50
Search for lepton-flavor violating decays of the Higgs boson in the $\mu\tau $ and e$\tau $ final states in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A search is presented for lepton-flavor violating decays of the Higgs boson to $\mu\tau$ and e$\tau $. [...]
CERN-EP-2021-061 ; CMS-HIG-20-009-003.
- 2021.
Additional information for the analysis - CMS AuthorList - Fulltext

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2021-05-07
04:43
A Parameter Space Exploration of the Minimal SU(5) Unification / Doršner, Ilja (Split Tech. U. ; CERN) ; Džaferović-Mašić, Emina (U. Zagreb (main)) ; Saad, Shaikh (Basel U.)
We present phenomenological study of the most minimal realistic $SU(5)$ model that owns its predictivity solely to the gauge symmetry and the representational content. [...]
arXiv:2105.01678.
- 19 p.
Fulltext

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2021-05-07
04:43
The Tracking Machine Learning challenge : Throughput phase / Amrouche, Sabrina (Geneva U.) ; Basara, Laurent (LRI, Paris 11) ; Calafiura, Paolo (UC, Berkeley) ; Emeliyanov, Dmitry (Rutherford) ; Estrade, Victor (LRI, Paris 11) ; Farrell, Steven (UC, Berkeley) ; Germain, Cécile (IRFU, Saclay) ; Golling, Tobias (Geneva U.) ; Gorbunov, Sergey (Goethe U., Frankfurt (main)) ; Gray, Heather (LBL, Berkeley ; UC, Berkeley) et al.
This paper reports on the second "Throughput" phase of the Tracking Machine Learning (TrackML) challenge on the Codalab platform. [...]
arXiv:2105.01160.
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2021-05-06
15:34
Angular analysis of $B^0 \to D^{*-}D_s^{*+}$ with $D_s^{*+} \to D_s^+ \gamma$ decays
The first full angular analysis of the $B^0 \to D^{*-} D_s^{*+}$ decay is performed using 6 fb$^{-1}$ of $pp$ collision data collected with the LHCb experiment at a centre-of-mass energy of 13 TeV. [...]
CERN-EP-2021-056 ; arXiv:2105.02596 ; LHCB-PAPER-2021-006.
- 2021.
Fulltext - Related data file(s)

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2021-05-06
04:14
Searches for supersymmetry in CMS / Sarkar, Uttiya
The results from the CMS search for supersymmetric particles based on Run-2 data recorded at a center-of-mass energy of 13 TeV are summarized. [...]
arXiv:2105.01629.
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2021-05-06
04:13
Axion Dark Matter: What is it and Why Now? / Chadha-Day, Francesca (Durham U., IPPP) ; Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Marsh, David J.E. (King's Coll. London)
The axion has emerged in recent years as a leading particle candidate to provide the mysterious dark matter in the cosmos, as we review here for a general scientific audience. [...]
arXiv:2105.01406 ; KCL-PH-TH/2021-20 ; CERN-TH-2021-045 ; IPPP/20/91.
- 23 p.
Fulltext

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2021-05-05
12:30
Measurement of $CP$ asymmetry in $D^0 \to K^0_S K^0_S$ decays / LHCb Collaboration
A measurement of the $CP$ asymmetry in $D^0 \to K^0_S K^0_S$ decays is reported, based on a data sample of proton-proton collisions collected by the LHCb experiment from 2015 to 2018, corresponding to an integrated luminosity of 6 fb$^{-1}$. [...]
arXiv:2105.01565 ; LHCb-PAPER-2020-047 ; CERN-EP-2021-058 ; LHCB-PAPER-2020-047.
- 2021.
Fulltext - Related data file(s) - Supplementary information - Fulltext

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2021-05-05
04:01
Covariant density and velocity perturbations of the quasi-Newtonian cosmological model in $f(T)$ gravity / Sami, Heba (UCT-CERN Res. Ctr.) ; Sahlu, Shambel (Vainu Bappu Observ. ; Addis Ababa U.) ; Abebe, Amare (UCT-CERN Res. Ctr.) ; Dunsby, Peter K.S. (Cape Town U., Dept. Math.)
We investigate classes of shear-free cosmological dust models with irrotational fluid flows within the framework of $f(T)$ gravity. [...]
arXiv:2105.00646.
- 30 p.
Fulltext

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2021-05-05
04:01
From Veltman's conditions to Finite Unification / Mondragón, Myriam (Mexico U.) ; Patellis, Gregory (Natl. Tech. U., Athens) ; Zoupanos, George (Natl. Tech. U., Athens ; Munich, Max Planck Inst. ; CERN)
First we review Veltman's suggestion to attack the naturalness problem in the Standard model by requiring absence of quadratic divergences and the resulting mass formula. [...]
arXiv:2105.00235.
- 27 p.
Fulltext

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2021-05-05
04:00
Storage Rings and Gravitational Waves: Summary and Outlook / Berlin, A. (New York U.) ; Brüggen, M. (Hamburg U.) ; Buchmueller, O. (Imperial Coll., London) ; Chen, P. (Taiwan, Natl. Taiwan U.) ; D'Agnolo, R.T. (IMCCE, Paris) ; Deng, R. (CAS, SARI, Shanghai) ; Ellis, J.R. (King's Coll. London) ; Ellis, S. (IMCCE, Paris) ; Franchetti, G. (Darmstadt, GSI) ; Ivanov, A. (Vienna U.) et al.
We report some highlights from the ARIES APEC workshop on ``Storage Rings and Gravitational Waves'' (SRGW2021), held in virtual space from 2 February to 18 March 2021, and sketch a tentative landscape for using accelerators and associated technologies for the detection or generation of gravitational waves..
arXiv:2105.00992 ; KCL-PH-TH/2021-28 ; CERN-TH-2021-068.
- 17 p.
Fulltext

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